siblings of Single Line xx

half siblings maternal 6 half siblings paternal 3

half siblings maternal

horse Be Glorious xx (Thoroughbred, 1976, from Bold Bidder xx)

Be Glorious xx
gender-male
1976

Bold Bidder xx / Day Court xx

horse Esdiev xx (Thoroughbred, 1977, from Secretariat xx)

Esdiev xx
gender-female
1977

Secretariat xx / Day Court xx

horse Royal Press xx (Thoroughbred, 1975, from Prince John xx)

Royal Press xx
gender-female
1975

Prince John xx / Day Court xx

horse Brochure xx (Thoroughbred, 1972, from Lucky Debonair xx)

Brochure xx
gender-female
1972

Lucky Debonair xx / Day Court xx

broodmare Magazine xx (Thoroughbred, 1970, from Prince John xx)

Magazine xx
gender-female
1970

Prince John xx / Day Court xx

horse Story Line xx (Thoroughbred, 1967, from Speak John xx)

Story Line xx
gender-female
1967

Speak John xx / Day Court xx